GCSE Chemistry - Filtration, Evaporation & Crystallisation #6

[@Cognitoedu]

If you’d like to practise the material covered in this video, check out our platform at www.cognitoedu.org - it's totally free, and has been built to make learning and revision as easy as possible. The main features are: - Lessons organised by topic, only the lessons relevant to your specific exam board and tier are shown. - Automatic progress tracking. Progress bars tell you what you’re doing well at, and what you need to spend some time on. - Practise quizzes so you can test your knowledge. You can quiz yourself on any combination of topics you like. - A huge number of fully-hinted questions that take you step-by-step through some of the trickiest calculations & concepts. - A comprehensive bank of past exam papers, organised both by year, and also by topic. Amadeus & Tom

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That's great Liza, glad we could help 😊

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That's great Krishitha, glad you liked it 😊

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[@DeniseP]

Filtration 1:05 Evaporation 2:03 Crystallization 3:10

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Thanks for the support, and for taking the time to leave a comment - give it a few years maybe we will!🙃 Good luck with all your work!!

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[@noelle4145]

Why don’t you leave everything to dry? Couldn’t there be crystals that are still mixed in the solution that you filtered out??

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ull just end up evaporating all of it and leaving the bit of solute to form with defects

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so basically, evaporation is easier, but we do not get back the solvent whilst crystallization is longer, but we get back both the solvent and the solute. thank you!!

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THANK YOU! Was confused b/w evaporation and crystallization.

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I did not understand that in school as my friends and I were making noise .The entire class was not lustening and taking notes but i took the notes . Even with notes i did not understan but now yess tomorrow is my exam . Thx💥💯

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Hi deepa thanks for such a lovely comment. It’s really great to hear the video was useful to you (and it’s really helpful for us to get comments cos it boosts the videos up the search rankings!) so thanks so much for taking the time to let us know! Good luck with all your work. Also I spent my entire GCSE making noise / setting fire to magnesium too, so can totally relate haha

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Is solution a mixture?

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Yep!

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Question: Then why don't we form crystals in fraction or simple distillation when we evaporate all of the elements to leave one element left in a flask?

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Do you mean that the colder the solution,more solid solute would appear?

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